Here are some of the things I've seen in Diamond the last 2-3 years.
Vault: Handspring on 1/1 Off was most popular, with some 1/1 on-1/2 off, a couple Tsuk - Back Tuck, a Yurchenko - 1/1, and a Yurchenko - Back Tuck.
Bars: Lots of Giants and CH-Handstand, giant 1/2, Toe on hecht, 1/2 pirouettes, 1/1 pirouettes, Straddle cuts, Uprises, straddle backs, Flyaway 1/2, Flyaway 1/1, one double back, and one toe on front dismount.
Beam: BWO-BHS, CW-RO, RO-BHS, FWO-FHS, Valdez, Back Tuck (1), Aerial (1), lots of switch leaps, split jump 1/2, cat leap 1/1, wolf 1/2, and straight jump 1/1, one switch side, one straddle 1/2, and on tuck 1/1, Arabian dismount, back layout 1/1, gainer layout 1/1, and a gainer tuck off the end of the beam.
Floor: ROBHS-Full, FT-FP, FT-FT, FT-FLO, FP-FLO, FT-Front 1/1, RO-BHS-Whip-Lay, and one RO-Whip 1/2-Front 1/1, Split jump 1/1, Switch side, Straddle 1/1, wolf jump 1/1, Shush, Shush 1/1, 2/1 turn, 3/2 turn w/ leg @ horizontal, and one 3/1 turn.